Pontiac Grand Prix Problem Report

Pontiac Grand Prix Check Engine Light With Code P0171 and/or P0174

(10 reports)

The exhaust gas recirculation (EGR) tube which connects the EGR valve to the intake manifold may develop an engine vacuum leak, causing the Check Engine Light to illuminate with code P0171 and/or P0174 stored.

Yes I just had it hooked up to see why my engine light came on and it was the ETR, I am beginning to believe the car is like my old FORD FIX ON ROAD DAILY> -
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